The NelmioApiDocBundle bundle allows you to generate documentation in the OpenAPI (Swagger) format and provides a sandbox to interactively experiment with the API. This bundle supports Symfony route requirements, PHP annotations, Swagger-Php annotations, FOSRestBundle annotations, and apps using API-Platform. For models, it supports the Symfony serializer, the JMS serializer and the willdurand/Hateoas library. It does also support Symfony form types. It generates OpenAPI documentation from your Symfony app thanks to Describers. One extracts data from SwaggerPHP annotations, one from your routes, etc. ...